Moreover, quite a few Parisian stations have Saint names, which can be also shortened “St”. Some station uses Saint, others uses St (RATP knows why…). You have to use the right one for your station, even you thought typing in St would save you some time. Here are the results for both cases:
Most other countries factor living wage, taxes, and “tips” into the posted price. You don’t guess how much tax will be added on top. You’re not doing mental gymnastics to compute what you should tip. You just pay the listed price and move on with your day. The way it should be.